Yüz Görüntüleri ile Parkinson Teşhisi için Çoğunluk Oylamalı Topluluk Derin Öğrenmesi

Yıl 2025, Cilt: 8 Sayı: 2, 95 - 104, 29.09.2025

Ayşegül Toptaş , Havvanur Bozkurt , Ekin Ekinci , Yeşim Güzey Aras , Zeynep Garip

https://doi.org/10.38016/jista.1640375

Öz

Parkinson hastalığı (PD), dopamin üreten beyin hücrelerinin kaybı veya hasar görmesi nedeniyle ortaya çıkan ilerleyici bir nörodejeneratif bozukluktur. Erken teşhis büyük önem taşımaktadır, çünkü zamanında uygulanan tedavi, hastaların yaşam kalitesini artırabilir ve hastalığın ilerlemesini yavaşlatabilir. PD teşhisi için beyin görüntüleme, nörolojik testler, el yazısı ve ses analizi, yüz görüntüsü değerlendirmesi ve fiziksel muayene gibi çeşitli yöntemler kullanılmaktadır. Bu çalışmada, yüz görüntülerini kullanarak PD teşhisi koymak için çoğunluk oylamasına dayalı bir sınıflandırma sistemi öneriyoruz. Modelimiz, Derin Öğrenme (DL) yöntemi olan Konvolüsyonel Sinir Ağı (ESN) çerçevesinde üç farklı özellik seçme tekniğini—Korelasyona Dayalı Özellik Seçimi (CFS), Pearson Korelasyon Katsayısı (PCC) ve En Küçük Mutlak Büzülme ve Seçim Operatörü (LASSO)—entegre etmektedir. Bu üç özellik seçme yöntemi, farklı bakış açıları oluşturmak için kullanılmakta ve ardından çoğunluk oylaması yöntemiyle birleştirilerek sınıflandırma doğruluğu artırılmaktadır. Çalışmada kullanılan veri seti, bir nöroloji uzmanı tarafından etiketlenmiş yüz görüntülerinden oluşmaktadır. Deneysel sonuçlar, önerilen topluluk modelinin bireysel zayıf sınıflandırıcılardan daha yüksek doğruluk oranı elde ettiğini göstermektedir. Bu model, tıbbi uzmanlara PD teşhisinde daha verimli ve doğru bir şekilde yardımcı olma potansiyeline sahip olup, hasta bakımını ve tedavi süreçlerini iyileştirebilir.

Anahtar Kelimeler

Parkinson hastalığı , Yüz Görüntüleri , ESN , Çoğunluk Oylaması , Sınıflandırma

Ensemble Deep Learning with Majority Voting for Parkinson’s Diagnosis via Facial Images

Öz

Parkinson's disease (PD) is a progressive neurodegenerative disorder caused by the loss or damage of dopamine-producing brain cells. Early diagnosis is crucial, as timely treatment can enhance patients' quality of life and slow disease progression. Various methods, including brain imaging, neurological tests, handwriting and voice analysis, facial image assessment, and physical examination, are used for PD diagnosis. In this study, we propose a majority voting-based classification system for diagnosing PD using facial images. Our model integrates three different feature selection techniques—Correlation-Based Feature Selection (CFS), Pearson Correlation Coefficient (PCC), and Least Absolute Shrinkage and Selection Operator (LASSO)—within a Convolutional Neural Network (CNN) framework, a deep learning (DL) method. These three feature selection approaches contribute to the design of distinct views, which are then combined through majority voting to enhance classification accuracy. The dataset comprises facial images labeled by a neurology expert. Experimental results indicate that the proposed ensemble model outperforms individual weak classifiers, achieving higher classification accuracy. This model has the potential to assist medical professionals in diagnosing PD more efficiently and accurately, ultimately improving patient care and treatment outcomes.

Anahtar Kelimeler

Facial Images , CNN , Majority Voting , Classification , Parkinson's Disease

Etik Beyan

Ethical consent for the study was obtained from the ethics committee of Sakarya University of Applied Sciences with the decision dated January 01, 2023 and numbered 70850. All participants provided informed consent before taking part in the study.

Destekleyen Kurum

TUBITAK

Teşekkür

This study is supported by TUBITAK within the scope of 2209-A University Students Research Projects Support Program.

Kaynakça

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